X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)
They have short wavelengths that can penetrate materials, and their high energy can damage matter.
They have long wavelengths that can penetrate materials, and their high energy can damage matter.
They have long wavelengths that can penetrate materials, and their low energy can damage matter.
They have short wavelengths that can penetrate materials, and their low energy can damage matter.
2 answers
They have short wavelengths that can penetrate materials, and their high energy can damage matter.
Frequency is measured in hertz. Which option best describes hertz?(1 point)
Responses
the length of a wave over a specified length of time
the number of waves that pass a certain point within a certain time
the distance that one cycle of a wave will travel
the number of vibrations produced per minute
Responses
the length of a wave over a specified length of time
the number of waves that pass a certain point within a certain time
the distance that one cycle of a wave will travel
the number of vibrations produced per minute